diff --git a/tests/functional/workloads/cnv/test_vm_pvc_expansion.py b/tests/functional/workloads/cnv/test_vm_pvc_expansion.py
index 1d29c8b2b02..622f165d5d8 100644
--- a/tests/functional/workloads/cnv/test_vm_pvc_expansion.py
+++ b/tests/functional/workloads/cnv/test_vm_pvc_expansion.py
@@ -4,6 +4,7 @@
 from ocs_ci.framework.pytest_customization.marks import workloads, magenta_squad
 from ocs_ci.framework.testlib import E2ETest
 from ocs_ci.ocs import constants
+from ocs_ci.helpers.cnv_helpers import cal_md5sum_vm, run_dd_io
 
 log = logging.getLogger(__name__)
 
@@ -25,8 +26,18 @@ def test_pvc_expansion(self, cnv_workload):
         )[-1]
         vm_pvc_obj = vm_obj.get_vm_pvc_obj()
         log.info(vm_pvc_obj.size)
-        # Resize PVC to a random size between 31 and 35 GiB
+        # writing data to the PVC
+        file_paths = "/source_file.txt"
+        source_csum = run_dd_io(vm_obj=vm_obj, file_path=file_paths, verify=True)
+        log.info(source_csum)
+        # Resize PVC to a random size between 31 and 35 GiB as 30GiB is default
         new_size = random.randint(31, 35)
-        log.info(vm_pvc_obj.size)
+        log.info(f"Size of VM PVC before expansion: {vm_pvc_obj.size}")
         vm_pvc_obj.resize_pvc(new_size)
-        pass
+        log.info(f"Size of VM PVC after expansion: {vm_pvc_obj.size}")
+        res_csum = cal_md5sum_vm(vm_obj=vm_obj, file_path=file_paths)
+        log.info(res_csum)
+        assert source_csum == res_csum and vm_obj.get_vm_pvc_obj().size == new_size, (
+            f"Failed: MD5 comparison of {vm_obj.name} before and after "
+            f"PVC expansion"
+        )